- date: documentation ( source)
<?php
echo "datetime: " . date('Y-m-d H:i:s') . "\n";
$date = DateTime::createFromFormat('Y-m-d H:i:s', date('ymd'));
echo "datetime with offset: " . date('Y-m-d H:i:s', $date->format('U') + 32400) . "\n";
echo "date now: " . date('Y-m-d H:i:s');